503.52% is the change from 142 to 857
Calculation steps:
[( 857 - 142 ) ÷ 142] x 100 = 503.52%
Formula
Percentage change = [(857 - 142) / 142] x 100
Subtract the new number by the original number
857 - 142 = 715
715 ÷ 142 = 5.035211267605634
5.035211267605634 x 100 = 503.52%